Stack-based buffer overflow in the push_subg function in parser.y (lib/graph/parser.c) in Graphviz 2.20.2, and possibly earlier versions, allows user-assisted remote attackers to cause a denial of service (memory corruption) or execute arbitrary code via a DOT file with a large number of Agraph_t elements.
Conclusion & alert: CVE-2008-4555 is rated High Exploit Risk (80.7/100): CVSS High severity, with high exploitation likelihood (EPSS 5.06%, 91th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 5.23% | 5.06% | -0.17% |
| 2 | 2025-12-04 | 6.79% | 5.23% | -1.56% |
| 3 | 2025-03-30 | — | 6.79% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.5 | 2.0 | HIGH |
|
6.8 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
low | CVE-2008-4555 low priority: Debian including 1 source packages (graphviz), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2008-4555 |
gentoo
|
normal | CVE-2008-4555: 1 GLSA(s) (200811-04), 1 atom(s) (media-gfx/graphviz); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2008-4555 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2008-4555 |
ubuntu
|
low | CVE-2008-4555 low priority: Ubuntu including 1 source packages (graphviz), 14 status rows across 14 suites (dapper, gutsy, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, oneiric, precise, quantal, raring, upstream): not-affected 9, ignored 4, released 1. | https://ubuntu.com/security/CVE-2008-4555 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| graphviz | graphviz | <= 2.20.2 | cpe:2.3:a:graphviz:graphviz:*:*:*:*:*:*:*:* |
| graphviz | graphviz | 1.5.1 | cpe:2.3:a:graphviz:graphviz:1.5.1:*:*:*:*:*:*:* |
| graphviz | graphviz | 1.5.2 | cpe:2.3:a:graphviz:graphviz:1.5.2:*:*:*:*:*:*:* |
| graphviz | graphviz | 1.5.3 | cpe:2.3:a:graphviz:graphviz:1.5.3:*:*:*:*:*:*:* |
| graphviz | graphviz | 1.7.5.1 | cpe:2.3:a:graphviz:graphviz:1.7.5.1:*:*:*:*:*:*:* |
| graphviz | graphviz | 1.7.5.2 | cpe:2.3:a:graphviz:graphviz:1.7.5.2:*:*:*:*:*:*:* |
| graphviz | graphviz | 1.7.5.3 | cpe:2.3:a:graphviz:graphviz:1.7.5.3:*:*:*:*:*:*:* |
| graphviz | graphviz | 1.7.5.4 | cpe:2.3:a:graphviz:graphviz:1.7.5.4:*:*:*:*:*:*:* |
| graphviz | graphviz | 1.7.5.5 | cpe:2.3:a:graphviz:graphviz:1.7.5.5:*:*:*:*:*:*:* |
| graphviz | graphviz | 1.7.5.6 | cpe:2.3:a:graphviz:graphviz:1.7.5.6:*:*:*:*:*:*:* |
| graphviz | graphviz | 1.7.5.7 | cpe:2.3:a:graphviz:graphviz:1.7.5.7:*:*:*:*:*:*:* |
| graphviz | graphviz | 1.7.5_0.1 | cpe:2.3:a:graphviz:graphviz:1.7.5_0.1:*:*:*:*:*:*:* |
| graphviz | graphviz | 1.7.5_0.2 | cpe:2.3:a:graphviz:graphviz:1.7.5_0.2:*:*:*:*:*:*:* |
| graphviz | graphviz | 1.7.5_0.3 | cpe:2.3:a:graphviz:graphviz:1.7.5_0.3:*:*:*:*:*:*:* |
| graphviz | graphviz | 1.7.16.1 | cpe:2.3:a:graphviz:graphviz:1.7.16.1:*:*:*:*:*:*:* |
| graphviz | graphviz | 1.7.16.2 | cpe:2.3:a:graphviz:graphviz:1.7.16.2:*:*:*:*:*:*:* |
| graphviz | graphviz | 1.8.5.1 | cpe:2.3:a:graphviz:graphviz:1.8.5.1:*:*:*:*:*:*:* |
| graphviz | graphviz | 1.8.5.2 | cpe:2.3:a:graphviz:graphviz:1.8.5.2:*:*:*:*:*:*:* |
| graphviz | graphviz | 1.8.9.1 | cpe:2.3:a:graphviz:graphviz:1.8.9.1:*:*:*:*:*:*:* |
| graphviz | graphviz | 1.10_2003-09-15_0415_1 | cpe:2.3:a:graphviz:graphviz:1.10_2003-09-15_0415_1:*:*:*:*:*:*:* |
| graphviz | graphviz | 1.10_2003-09-15_0415_2 | cpe:2.3:a:graphviz:graphviz:1.10_2003-09-15_0415_2:*:*:*:*:*:*:* |
| graphviz | graphviz | 1.12.1 | cpe:2.3:a:graphviz:graphviz:1.12.1:*:*:*:*:*:*:* |
| graphviz | graphviz | 1.12.2 | cpe:2.3:a:graphviz:graphviz:1.12.2:*:*:*:*:*:*:* |
| graphviz | graphviz | 1.12.3 | cpe:2.3:a:graphviz:graphviz:1.12.3:*:*:*:*:*:*:* |
| graphviz | graphviz | 1.14.1 | cpe:2.3:a:graphviz:graphviz:1.14.1:*:*:*:*:*:*:* |
| graphviz | graphviz | 1.16.1 | cpe:2.3:a:graphviz:graphviz:1.16.1:*:*:*:*:*:*:* |
| graphviz | graphviz | 2.2 | cpe:2.3:a:graphviz:graphviz:2.2:*:*:*:*:*:*:* |
| graphviz | graphviz | 2.2.1 | cpe:2.3:a:graphviz:graphviz:2.2.1:*:*:*:*:*:*:* |
| graphviz | graphviz | 2.2.1.1 | cpe:2.3:a:graphviz:graphviz:2.2.1.1:*:*:*:*:*:*:* |
| graphviz | graphviz | 2.2.2 | cpe:2.3:a:graphviz:graphviz:2.2.2:*:*:*:*:*:*:* |
| graphviz | graphviz | 2.4 | cpe:2.3:a:graphviz:graphviz:2.4:*:*:*:*:*:*:* |
| graphviz | graphviz | 2.6 | cpe:2.3:a:graphviz:graphviz:2.6:*:*:*:*:*:*:* |
| graphviz | graphviz | 2.8 | cpe:2.3:a:graphviz:graphviz:2.8:*:*:*:*:*:*:* |
| graphviz | graphviz | 2.10 | cpe:2.3:a:graphviz:graphviz:2.10:*:*:*:*:*:*:* |
| graphviz | graphviz | 2.12 | cpe:2.3:a:graphviz:graphviz:2.12:*:*:*:*:*:*:* |
| graphviz | graphviz | 2.14 | cpe:2.3:a:graphviz:graphviz:2.14:*:*:*:*:*:*:* |
| graphviz | graphviz | 2.16 | cpe:2.3:a:graphviz:graphviz:2.16:*:*:*:*:*:*:* |
| graphviz | graphviz | 2.18 | cpe:2.3:a:graphviz:graphviz:2.18:*:*:*:*:*:*:* |
| graphviz | graphviz | 2.20.0 | cpe:2.3:a:graphviz:graphviz:2.20.0:*:*:*:*:*:*:* |
| graphviz | graphviz | 2.20.1 | cpe:2.3:a:graphviz:graphviz:2.20.1:*:*:*:*:*:*:* |